nim-libp2p/bumplibp2p/libp2p/nameresolving/nameresolver.html

337 lines
21 KiB
HTML
Raw Normal View History

2023-10-04 16:04:54 +00:00
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!-- This file is generated by Nim. -->
<html xmlns="https://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>libp2p/nameresolving/nameresolver</title>
<!-- Favicon -->
<link rel="shortcut icon" href="data:image/x-icon;base64,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"/>
<link rel="icon" type="image/png" sizes="32x32" href="data:image/png;base64,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">
<!-- CSS -->
<link rel="stylesheet" type="text/css" href="../../nimdoc.out.css">
<!-- JS -->
<script type="text/javascript" src="../../dochack.js"></script>
</head>
<body>
<div class="document" id="documentId">
<div class="container">
<h1 class="title">libp2p/nameresolving/nameresolver</h1>
<div class="row">
<div class="three columns">
<div class="theme-select-wrapper">
<label for="theme-select">Theme:&nbsp;</label>
<select id="theme-select" onchange="setTheme(this.value)">
<option value="auto">🌗 Match OS</option>
<option value="dark">🌑 Dark</option>
<option value="light">🌕 Light</option>
</select>
</div>
<div id="global-links">
<ul class="simple">
<li><a id="indexLink" href="../../theindex.html">Index</a></li>
</ul>
</div>
<div id="searchInputDiv">
Search: <input type="search" id="searchInput" onkeyup="search()"/>
</div>
<div>
Group by:
<select onchange="groupBy(this.value)">
<option value="section">Section</option>
<option value="type">Type</option>
</select>
</div>
<script type="text/javascript">
function main2() {
// Create the slider
var firstSlider = document.getElementsByClassName("theme-switch-wrapper")[0];
var newSlider = document.createRange().createContextualFragment(`
<div class="theme-switch-wrapper">
<label class="theme-switch" for="internalcheckbox">
<input type="checkbox" id="internalcheckbox">
<div class="slider round"></div>
</label>
&nbsp;&nbsp;&nbsp; <em>Internal</em>
</div>
`);
var sliderInst = firstSlider.after(newSlider);
// Restore slider state from storage
var currentMode = localStorage.getItem('privateMode');
if (currentMode == "private") {
document.getElementById("internalcheckbox").checked = true;
} else {
hidePrivateProcs();
}
document.getElementById("internalcheckbox").onclick = togglePrivateProcs;
}
function hidePrivateProcs() {
var toHide = document.getElementsByClassName("tohide");
for (var i = 0; i < toHide.length; i++) {
var pragmas = toHide[i].querySelectorAll("span.Identifier");
var public = false;
for (var z = 0; z < pragmas.length; z++) {
if (pragmas[z].innerText == "public") {
public = true;
break;
}
}
if (public == false) {
toHide[i].style.display = "none";
toHide[i].classList.add("hidden");
links = document.querySelectorAll("a[href='#" + encodeURIComponent(toHide[i].id) + "']");
for (var y = 0; y < links.length; y++) {
links[y].parentNode.style.display = "none";
links[y].parentNode.classList.add("hidden");
}
}
}
// TOC
var nestedSections = document.getElementsByClassName("nested-toc-section");
for (var i = 0; i < nestedSections.length; i++) {
if (nestedSections[i].querySelectorAll("li:not(.hidden)").length == 0) {
nestedSections[i].style.display = "none";
nestedSections[i].classList.add("hidden");
}
}
var sections = document.getElementsByClassName("simple-toc-section");
for (var i = 0; i < sections.length; i++) {
if (sections[i].querySelectorAll(".nested-toc-section:not(.hidden)").length == 0) {
sections[i].parentNode.style.display = "none";
sections[i].parentNode.classList.add("hidden");
}
}
// Sections
var sections = document.getElementsByClassName("section");
for (var i = 0; i < sections.length; i++) {
if (sections[i].querySelectorAll(".item > div").length == 0) continue;
if (sections[i].querySelectorAll(".item > div:not(.hidden)").length == 0) {
sections[i].style.display = "none";
sections[i].classList.add("hidden");
}
}
}
function showPrivateProcs() {
var toHide = Array.from(document.getElementsByClassName("hidden"));
for (var i = 0; i < toHide.length; i++) {
toHide[i].style.display = "";
toHide[i].classList.remove("hidden");
}
}
function togglePrivateProcs() {
if (document.getElementById("internalcheckbox").checked) {
localStorage.setItem('privateMode', 'private');
showPrivateProcs();
} else {
localStorage.setItem('privateMode', 'public');
hidePrivateProcs();
}
}
window.addEventListener("DOMContentLoaded", main2);
</script>
<ul class="simple simple-toc" id="toc-list">
<li>
<a class="reference reference-toplevel" href="#6" id="56">Imports</a>
</li>
<li>
<details open>
<summary><a class="reference reference-toplevel" href="#7" id="57">Types</a></summary>
<ul class="simple simple-toc-section">
<li><a class="reference" href="#NameResolver" title="NameResolver = ref object of RootObj">NameResolver</a></li>
</ul>
</details>
</li>
<li>
<details open>
<summary><a class="reference reference-toplevel" href="#12" id="62">Procs</a></summary>
<ul class="simple simple-toc-section">
<ul class="simple nested-toc-section">getHostname
<li><a class="reference" href="#getHostname%2CMultiAddress" title="getHostname(ma: MultiAddress): string">getHostname(ma: MultiAddress): string</a></li>
</ul>
<ul class="simple nested-toc-section">resolveDnsAddr
<li><a class="reference" href="#resolveDnsAddr%2CNameResolver%2CMultiAddress%2Cint" title="resolveDnsAddr(self: NameResolver; ma: MultiAddress; depth: int = 0): Future[
seq[MultiAddress]]">resolveDnsAddr(self: NameResolver; ma: MultiAddress; depth: int = 0): Future[
seq[MultiAddress]]</a></li>
</ul>
<ul class="simple nested-toc-section">resolveMAddress
<li><a class="reference" href="#resolveMAddress%2CNameResolver%2CMultiAddress" title="resolveMAddress(self: NameResolver; address: MultiAddress): Future[
seq[MultiAddress]]">resolveMAddress(self: NameResolver; address: MultiAddress): Future[
seq[MultiAddress]]</a></li>
</ul>
</ul>
</details>
</li>
<li>
<details open>
<summary><a class="reference reference-toplevel" href="#14" id="64">Methods</a></summary>
<ul class="simple simple-toc-section">
<ul class="simple nested-toc-section">resolveIp
<li><a class="reference" href="#resolveIp.e%2CNameResolver%2Cstring%2CPort%2CDomain" title="resolveIp(self: NameResolver; address: string; port: Port;
domain: Domain = Domain.AF_UNSPEC): Future[seq[TransportAddress]]">resolveIp(self: NameResolver; address: string; port: Port;
domain: Domain = Domain.AF_UNSPEC): Future[seq[TransportAddress]]</a></li>
</ul>
<ul class="simple nested-toc-section">resolveTxt
<li><a class="reference" href="#resolveTxt.e%2CNameResolver%2Cstring" title="resolveTxt(self: NameResolver; address: string): Future[seq[string]]">resolveTxt(self: NameResolver; address: string): Future[seq[string]]</a></li>
</ul>
</ul>
</details>
</li>
</ul>
</div>
<div class="nine columns" id="content">
<a href="https://github.com/status-im/nim-libp2p/tree/bumplibp2p/libp2p/nameresolving/nameresolver.nim#L1" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/status-im/nim-libp2p/edit/devel/libp2p/nameresolving/nameresolver.nim#L1" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
<div id="tocRoot"></div>
<p class="module-desc"></p>
<div class="section" id="6">
<h1><a class="toc-backref" href="#6">Imports</a></h1>
<dl class="item">
<a class="reference external" href="../multiaddress.html">../multiaddress</a>, <a class="reference external" href="../multicodec.html">../multicodec</a>
</dl>
</div>
<div class="section" id="7">
<h1><a class="toc-backref" href="#7">Types</a></h1>
<dl class="item">
<div id="NameResolver" class="tohide">
<dt><pre><a href="nameresolver.html#NameResolver"><span class="Identifier">NameResolver</span></a> <span class="Other">=</span> <span class="Keyword">ref</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <span class="Identifier">RootObj</span></pre></dt>
<dd>
<a href="https://github.com/status-im/nim-libp2p/tree/bumplibp2p/libp2p/nameresolving/nameresolver.nim#L23" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/status-im/nim-libp2p/edit/devel/libp2p/nameresolving/nameresolver.nim#L23" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</dl>
</div>
<div class="section" id="12">
<h1><a class="toc-backref" href="#12">Procs</a></h1>
<dl class="item">
<div id="getHostname-procs-all">
<div id="getHostname,MultiAddress" class="tohide">
<dt><pre><span class="Keyword">proc</span> <a href="#getHostname%2CMultiAddress"><span class="Identifier">getHostname</span></a><span class="Other">(</span><span class="Identifier">ma</span><span class="Other">:</span> <a href="../multiaddress.html#MultiAddress"><span class="Identifier">MultiAddress</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">string</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">RootEffect</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/status-im/nim-libp2p/tree/bumplibp2p/libp2p/nameresolving/nameresolver.nim#L43" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/status-im/nim-libp2p/edit/devel/libp2p/nameresolving/nameresolver.nim#L43" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="resolveDnsAddr-procs-all">
<div id="resolveDnsAddr,NameResolver,MultiAddress,int" class="tohide">
<dt><pre><span class="Keyword">proc</span> <a href="#resolveDnsAddr%2CNameResolver%2CMultiAddress%2Cint"><span class="Identifier">resolveDnsAddr</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="nameresolver.html#NameResolver"><span class="Identifier">NameResolver</span></a><span class="Other">;</span> <span class="Identifier">ma</span><span class="Other">:</span> <a href="../multiaddress.html#MultiAddress"><span class="Identifier">MultiAddress</span></a><span class="Other">;</span> <span class="Identifier">depth</span><span class="Other">:</span> <span class="Identifier">int</span> <span class="Other">=</span> <span class="DecNumber">0</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">Future</span><span class="Other">[</span>
<span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">MultiAddress</span><span class="Other">]</span><span class="Other">]</span> {.<span class="Identifier">async</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">TimeEffect</span><span class="Other">,</span> <span class="Identifier">RootEffect</span><span class="Other">,</span> <span class="Identifier">WriteIOEffect</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/status-im/nim-libp2p/tree/bumplibp2p/libp2p/nameresolving/nameresolver.nim#L75" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/status-im/nim-libp2p/edit/devel/libp2p/nameresolving/nameresolver.nim#L75" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="resolveMAddress-procs-all">
<div id="resolveMAddress,NameResolver,MultiAddress" class="tohide">
<dt><pre><span class="Keyword">proc</span> <a href="#resolveMAddress%2CNameResolver%2CMultiAddress"><span class="Identifier">resolveMAddress</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="nameresolver.html#NameResolver"><span class="Identifier">NameResolver</span></a><span class="Other">;</span> <span class="Identifier">address</span><span class="Other">:</span> <a href="../multiaddress.html#MultiAddress"><span class="Identifier">MultiAddress</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">Future</span><span class="Other">[</span>
<span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">MultiAddress</span><span class="Other">]</span><span class="Other">]</span> {.<span class="Identifier">async</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">RootEffect</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/status-im/nim-libp2p/tree/bumplibp2p/libp2p/nameresolving/nameresolver.nim#L113" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/status-im/nim-libp2p/edit/devel/libp2p/nameresolving/nameresolver.nim#L113" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
</dl>
</div>
<div class="section" id="14">
<h1><a class="toc-backref" href="#14">Methods</a></h1>
<dl class="item">
<div id="resolveIp-methods-all">
<div id="resolveIp.e,NameResolver,string,Port,Domain" class="tohide">
<dt><pre><span class="Keyword">method</span> <a href="#resolveIp.e%2CNameResolver%2Cstring%2CPort%2CDomain"><span class="Identifier">resolveIp</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="nameresolver.html#NameResolver"><span class="Identifier">NameResolver</span></a><span class="Other">;</span> <span class="Identifier">address</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">;</span> <span class="Identifier">port</span><span class="Other">:</span> <span class="Identifier">Port</span><span class="Other">;</span>
<span class="Identifier">domain</span><span class="Other">:</span> <span class="Identifier">Domain</span> <span class="Other">=</span> <span class="Identifier">Domain</span><span class="Other">.</span><span class="Identifier">AF_UNSPEC</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">Future</span><span class="Other">[</span>
<span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">TransportAddress</span><span class="Other">]</span><span class="Other">]</span> {.<span class="Identifier">async</span><span class="Other">,</span> <span class="Identifier">base</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
Resolve the specified address
<a href="https://github.com/status-im/nim-libp2p/tree/bumplibp2p/libp2p/nameresolving/nameresolver.nim#L33" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/status-im/nim-libp2p/edit/devel/libp2p/nameresolving/nameresolver.nim#L33" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="resolveTxt-methods-all">
<div id="resolveTxt.e,NameResolver,string" class="tohide">
<dt><pre><span class="Keyword">method</span> <a href="#resolveTxt.e%2CNameResolver%2Cstring"><span class="Identifier">resolveTxt</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="nameresolver.html#NameResolver"><span class="Identifier">NameResolver</span></a><span class="Other">;</span> <span class="Identifier">address</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">Future</span><span class="Other">[</span><span class="Identifier">seq</span><span class="Other">[</span><span class="Identifier">string</span><span class="Other">]</span><span class="Other">]</span> {.
<span class="Identifier">async</span><span class="Other">,</span> <span class="Identifier">base</span><span class="Other">,</span> <span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
Get TXT record
<a href="https://github.com/status-im/nim-libp2p/tree/bumplibp2p/libp2p/nameresolving/nameresolver.nim#L25" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/status-im/nim-libp2p/edit/devel/libp2p/nameresolving/nameresolver.nim#L25" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
</dl>
</div>
</div>
</div>
<div class="twelve-columns footer">
<span class="nim-sprite"></span>
<br>
<small style="color: var(--hint);">Made with Nim. Generated: 2023-10-04 16:04:51 UTC</small>
</div>
</div>
</div>
<!-- Google fonts -->
<link href='https://fonts.googleapis.com/css?family=Lato:400,600,900' rel='stylesheet' type='text/css'/>
<link href='https://fonts.googleapis.com/css?family=Source+Code+Pro:400,500,600' rel='stylesheet' type='text/css'/>
</body>
</html>